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Phone: +86 16626708626Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Channels | 8 |
| Signal Types | 0/4-20 mA, 0/2-10 V |
| Resolution | 12 bit |
| Voltage Impedance | 290 kΩ |
| Current Impedance | 230-275 kΩ |
| Accuracy | 0.1% max error |
| Isolation | Groupwise to ground |
| Temp Drift Voltage | 70 ppm/°C typ |
| Operating Temp | 0 to 55 °C |
| Dimensions | 45 x 102 x 119 mm |
| Weight | 0.2 kg |
Product Introduction
ABB AI810 3BSE008516R1 is an 8-channel analog input module in the S800 I/O system for 800xA DCS setups. It reads process signals from transmitters in batch, continuous, or safety applications.800xahardwareselector.automation.
Each channel handles voltage or current with PTC protection against 30 V shorts. Pairs with TU81x terminal units—field installs confirm stable 12-bit data through HART noise in crowded cabinets
- AI810 3BSE008516R1
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| All channels zero | Power or backplane fail | ❌ Low | Measure 5 V at module pins with Fluke 115 | Check S800 bus power and MTU seating first |
| Single channel dead | Transmitter short | ✅ High | Loop check 4-20 mA at terminals; PTC resistance 250 Ω | Disconnect field side; replace if PTC open |
| Noisy readings | Ground loop | ❌ Low | Multimeter mV ripple across ZP-GND | Separate shields; single-point ground field wiring |
| Drift >0.1% | Temp excursion | ✅ Medium | Log ambient >55 °C; check drift 70 ppm/°C | Derate in hot enclosures; verify calibration |
| HART pass-through fail | Signal overload | ✅ High | Scope 20 mA +1 mA HART at input | Limit transmitter to 22 mA max; test bench loop |
Shoot terminal voltages, loop currents, and 800xA diagnostics to support. Field wiring faults hit 75% of these service calls.
Frequently Asked Questions (FAQ)
Hot-swappable in live S800 cabinet?
Yes, but cycle the MTU power first. Live insertion risks bus glitch dropping adjacent channels. I’ve glitched a full loop pulling one without—shut down the TU810 side.
New surplus or tested refurb?
New Original / New Surplus, QC on S800 test rack. Serial verify, 24 V loop burn-in at 20 mA per channel with Fluke 115 accuracy check. Test data and photos ready. Price beats ABB list by skipping channel markup.
Stock and warranty info?
In stock, ships 1-2 days DHL. 1-year on channel failure. S800 stock thinning as Compact takes over.
Terminal unit matching?
TU810, TU812, TU814, TU818, TU830, TU833, TU835, TU838, or TU850. Keying AE prevents wrong insert. Photo your TU before swap—pinouts vary.
Replaces older S800 AI modules?
Direct drop-in for early AI810 revisions. No firmware flash. Match impedance—current loops need 250 Ω sense.
Max loop load and HART?
Handles 30 V short protected. HART passes full 1-5 µA overlay at 20 mA. Test your transmitter compliance before field tie-in.
ESD protocol for bench handling?
Wrist strap grounded every time, ANSI/ESD S1.1. Input PTCs take static but ADC fries easy. Shop sparks have wiped channels on me—continuity test the strap.
